Narrative:

This event occurred during descent on the dyamd 3 arrival into sfo. We were cleared to descend via the dyamd 3 and as we initially began our descent we encountered what appeared to be wake turbulence. I adjusted our rate of descent in order to stay out of the wake. I engaged V/south in order to shallow out the descent. The wake stopped and we continued on the arrival above our VNAV path descent. At the time we were not sure what type of aircraft we were following; but the target appeared to be [farther] than 10 miles on our TCAS. Our descent continued and somewhere near flowz I reengaged VNAV assuming I had attained a steeper angle above the preceding aircraft's path. Between flowz and cedes we reencountered the wake turbulence at approximately 14000 MSL. This time the aircraft was violently rolled to the left. I had to disengage the autopilot to level the wings. Just as I had leveled the wings ATC gave us a caution wake turbulence message and told us we were following a heavy 767. We told ATC we had encountered the wake and would need to be taken off the arrival to continue. ATC gave us a vector; slowed our speed; and cleared us to descend to 9000 feet. We complied with the instructions. From this point I had abandoned the path descent and was maintaining an altitude about 1500 - 2000 ft above the aircraft and continued on our vector off the arrival. The remainder of the approach was uneventful as we landed on 28R behind the heavy 767.unfortunately; three fas in the aft galley had fallen over when the aircraft violently rolled to the left. One flight attendant had injured her hand. We called operations to have the paramedics meet the aircraft at the gate. The flight attendant with the injured hand did receive medical attention from the paramedics.

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Original NASA ASRS Text

Title: B737 flight crew reported three flight attendants were injured by a wake turbulence encounter with the preceding B767 on approach to SFO.

Narrative: This event occurred during descent on the DYAMD 3 Arrival into SFO. We were cleared to descend via the DYAMD 3 and as we initially began our descent we encountered what appeared to be wake turbulence. I adjusted our rate of descent in order to stay out of the wake. I engaged V/S in order to shallow out the descent. The wake stopped and we continued on the arrival above our VNAV Path descent. At the time we were not sure what type of aircraft we were following; but the target appeared to be [farther] than 10 miles on our TCAS. Our descent continued and somewhere near FLOWZ I reengaged VNAV assuming I had attained a steeper angle above the preceding aircraft's path. Between FLOWZ and CEDES we reencountered the wake turbulence at approximately 14000 MSL. This time the aircraft was violently rolled to the left. I had to disengage the autopilot to level the wings. Just as I had leveled the wings ATC gave us a caution wake turbulence message and told us we were following a heavy 767. We told ATC we had encountered the wake and would need to be taken off the arrival to continue. ATC gave us a vector; slowed our speed; and cleared us to descend to 9000 feet. We complied with the instructions. From this point I had abandoned the path descent and was maintaining an altitude about 1500 - 2000 ft above the aircraft and continued on our vector off the arrival. The remainder of the approach was uneventful as we landed on 28R behind the heavy 767.Unfortunately; three FAs in the aft galley had fallen over when the aircraft violently rolled to the left. One FA had injured her hand. We called Operations to have the paramedics meet the aircraft at the gate. The FA with the injured hand did receive medical attention from the paramedics.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.